CN112582709B - Temperature regulation and control system of energy storage battery box - Google Patents
Temperature regulation and control system of energy storage battery box Download PDFInfo
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- CN112582709B CN112582709B CN202011461731.8A CN202011461731A CN112582709B CN 112582709 B CN112582709 B CN 112582709B CN 202011461731 A CN202011461731 A CN 202011461731A CN 112582709 B CN112582709 B CN 112582709B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The application discloses a temperature regulation and control system of an energy storage battery box, which comprises a battery container, a temperature-controllable cold and hot air supply device, an air inlet duct and an air return duct; a plurality of battery clusters are arranged in the battery container; each battery cluster is internally provided with a temperature sensor and is respectively provided with a heat dissipation inlet and a heat dissipation outlet which are communicated with the interior of the battery cluster; each heat dissipation inlet is connected with a first conduction branch pipe; each first conduction branch pipe is provided with a first electronic switch valve; the temperature-controllable cold and hot air supply device is arranged outside the battery container, and the air outlet is communicated with each first conduction branch pipe through an air inlet duct; the return air inlet of the temperature-controllable cold and hot air supply device is communicated with the battery container through a return air duct; the temperature sensor and the first electronic switch valve are both electrically connected with the temperature-controllable cold and hot air supply device. The technical problems of high cost, high energy consumption, poor heat dissipation effect, poor temperature equalization effect and easiness in system power reduction or shutdown caused by over-temperature of partial batteries in the conventional heat management scheme are solved.
Description
Technical Field
The application relates to the technical field of temperature regulation and control, in particular to a temperature regulation and control system of an energy storage battery box.
Background
Energy storage technology is applied to various links of a power system step by step. The energy storage not only can be used for adjusting the frequency, reducing the peak-valley difference of the power grid, reducing the rotary reserve capacity of the power system, but also can be used for delaying the power generation investment, prolonging the service life of transmission equipment, relieving a power transmission resistor plug, improving the utilization rate of power equipment, reducing the power supply cost, simultaneously improving the operation stability and the power supply reliability of the power system, and reducing the risk of loss caused by the problems of power grid reliability and power quality as much as possible.
The common container form of energy storage power station comprises one or more battery containers, contains battery cabinet, air conditioner, converges cabinet, fire-fighting equipment and other auxiliaries in every battery container, inserts the electric wire netting behind the battery container connection energy storage converter container.
The temperature affects the capacity, internal resistance, open-circuit voltage, charge-discharge efficiency, self-discharge rate, consistency and even safety of the battery. Therefore, the heat management technology is a key technology in the integration of the battery energy storage system, and the purpose of the heat management technology is to ensure that the battery can work at a relatively uniform and appropriate temperature so as to improve the performance of the battery energy storage system and ensure the safety of the battery.
At present, the heat management scheme mainly uses an air cooling technology, and an industrial air conditioner is installed in a container, so that cold air is fed into a battery box through an air wall/air duct in the container, and the cooling temperature control of a battery is realized. However, for a large energy storage power station, the number of air conditioners needed is large (4 industrial air conditioners are often arranged in each battery container in frequency modulation energy storage), the cost is high, the energy consumption is high, the heat dissipation effect is poor, the temperature equalization effect is poor, and the condition that the power of a system is reduced or the system is shut down due to over-temperature of partial batteries is easy to occur.
Disclosure of Invention
In view of this, the present application aims to provide a temperature control system for an energy storage battery box, which solves the technical problems of high cost, high energy consumption, poor heat dissipation effect, poor temperature equalization effect, and easy occurrence of system power down or shutdown caused by over-temperature of a part of batteries in the existing heat management scheme.
In order to achieve the technical purpose, the application provides a temperature regulation and control system of an energy storage battery box, which comprises a battery container, a temperature-controllable cold and hot air supply device, an air inlet duct and an air return duct;
an accommodating cavity is formed in the battery container;
a plurality of battery clusters are arranged in the accommodating cavity;
each battery cluster is internally provided with a temperature sensor and is respectively provided with a heat dissipation inlet and a heat dissipation outlet which are communicated with the interior of the battery cluster;
each heat dissipation inlet is connected with a first conduction branch pipe;
each first conduction branch pipe is provided with a first electronic switch valve;
the temperature-controllable cold and hot air supply device is arranged outside the battery container, and the air outlet is communicated with each first conduction branch pipe through an air inlet duct;
the return air inlet of the temperature-controllable cold and hot air supply device is communicated with the accommodating cavity through the return air duct;
the temperature sensor and the first electronic switch valve are electrically connected with the temperature-controllable cold and hot air supply device.
Further, the temperature sensor in each of the battery clusters is plural;
the plurality of temperature sensors in the battery cluster are distributed dispersedly.
Furthermore, the temperature-controllable cold and hot air supply device comprises a main controller, a cold air supply device and a hot air supply device;
the air inlet of the cold air supply device and the air inlet of the warm air supply device are communicated with the return air duct through a first electronic three-way switching valve;
the air outlet of the cold air supply device and the air outlet of the warm air supply device are communicated with the air inlet duct through a second electronic three-way switching valve;
the main controller is respectively and electrically connected with the cold air supply device, the warm air supply device, the first electronic three-way switching valve and the second electronic three-way switching valve.
Furthermore, the temperature-controllable cold and hot air supply device also comprises a case;
two independent installation cavities which are respectively used for installing the cold air supply device and the warm air supply device are arranged in the case.
Further, the battery container is multiple;
second communicating branch pipes communicated with the accommodating cavities are arranged outside the battery containers;
the second conduction branch pipe is provided with a second electronic switch valve;
the return air inlet of the temperature-controllable cold and hot air supply device is communicated with the second conduction branch pipe through the return air duct;
the second electronic switch valve is electrically connected with the temperature-controllable cold and hot air supply device.
Furthermore, the air inlet duct, the air return duct, the first conduction branch pipe and the second conduction branch pipe are coated with heat insulation layers.
According to the technical scheme, the temperature-controllable cold and hot air supply device installed outside the battery container is adopted to supply cold air or hot air to each battery cluster in the battery container in a centralized mode, and accurate temperature control of each battery cluster is achieved through the temperature sensors arranged in each battery cluster. Compared with the traditional heat management scheme, the air conditioner heat management system avoids the problem that a plurality of air conditioners need to be installed, reduces the cost and saves the energy consumption. Moreover, the first electronic switch valves are respectively arranged on the first conduction branch pipes and the second conduction branch pipes, so that the aim of performing targeted temperature control on a single battery or a plurality of battery clusters can be realized, the heat dissipation effect and the temperature equalization effect are better, and the condition that the power of a system is reduced or the system is stopped due to over-temperature of partial batteries is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a temperature regulation system of an energy storage battery box provided in the present application;
in the figure: 100. a temperature-controllable cold and hot air supply device; 200. a battery container; 201. a battery cluster; 202. a first conducting branch pipe; 203. a first electronic on-off valve; 300. an air inlet duct; 400. an air return duct; 401. a second conducting branch pipe; 402. a second electronic switch valve.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments of the present application and for simplicity of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses temperature regulation and control system of energy storage battery box.
Referring to fig. 1, an embodiment of a temperature control system for an energy storage battery box provided in an embodiment of the present application includes:
the device comprises a battery container 200, a temperature-controllable cold and hot air supply device 100, an air inlet duct 300 and a return air duct 400; an accommodating cavity is arranged in the battery container 200; a plurality of battery clusters 201 are arranged in the accommodating cavity; each battery cluster 201 is internally provided with a temperature sensor and is respectively provided with a heat dissipation inlet and a heat dissipation outlet which are communicated with the interior of the battery cluster; each heat dissipation inlet is connected with a first conduction branch pipe 202; each first conduction branch pipe 202 is provided with a first electronic switch valve 203; the temperature-controllable cold and hot air supply device 100 is arranged outside the battery container 200, and the air outlet is communicated with each first conduction branch pipe 202 through an air inlet duct 300; the return air inlet of the temperature-controllable cold and hot air supply device 100 is communicated with the accommodating cavity through the return air duct 400, and the heat-exchanged air is returned through the return air duct 400, so that the cyclic utilization can be realized, and the energy consumption is further saved; the temperature sensor and the first electronic on-off valve 203 are electrically connected to the temperature-controllable hot and cold air supply device 100. In addition, in this embodiment, in order to facilitate the connection and installation of the first conduction branch pipe 202, the air inlet duct 300 may be extended into the battery container 200, which is not limited specifically.
According to the technical scheme, the temperature-controllable cold and hot air supply device 100 installed outside the battery container 200 is adopted to supply cold air or hot air to each battery cluster 201 in the battery container 200 in a centralized manner, and the temperature sensors arranged in each battery cluster 201 are used for realizing accurate temperature control of each battery cluster 201. Compared with the traditional heat management scheme, the air conditioner heat management system avoids the problem that a plurality of air conditioners need to be installed, reduces the cost and saves the energy consumption. Moreover, the first electronic switch valves 203 are respectively arranged on the first conduction branch pipes 202 and the second conduction branch pipes 401, so that the aim of carrying out targeted temperature control on a single or a plurality of battery clusters 201 can be realized, the heat dissipation effect and the temperature equalization effect are better, and the condition that the power of the system is reduced or the system is shut down due to over-temperature of partial batteries is avoided.
The above is a first embodiment of a temperature control system of an energy storage battery box provided in the present application, and the following is a second embodiment of a temperature control system of an energy storage battery box provided in the present application, specifically please refer to fig. 1.
The scheme based on the first embodiment is as follows:
further, in order to monitor the temperature in the battery clusters 201 more accurately, a plurality of temperature sensors in each battery cluster 201 may be provided, and the plurality of temperature sensors are distributed dispersedly according to actual needs, so as to realize multipoint temperature monitoring. The temperature sensor may be a conventional temperature probe, and is not particularly limited.
Further, the controllable temperature cold and warm air supply device 100 may specifically include a main controller, a cold air supply device, and a warm air supply device; the cold air supply device can be designed by referring to a conventional cold air blower, and the warm air supply device can be designed by referring to a conventional warm air blower, and the design is not limited.
The air inlet of the cold air supply device and the air inlet of the warm air supply device are communicated with the return air duct 400 through a first electronic three-way switching valve; the air outlet of the cold air supply device and the air outlet of the warm air supply device are communicated with the air inlet duct 300 through a second electronic three-way switching valve; the main controller is respectively electrically connected with the cold air supply device, the warm air supply device, the first electronic three-way switching valve and the second electronic three-way switching valve. Therefore, when temperature reduction control is needed, the first electronic three-way valve and the second electronic three-way valve can be switched to connect the cold air supply device, and cold air is supplied to each battery cluster 201; when the temperature rise control is required, the first electronic three-way valve and the second electronic three-way valve may be switched to connect the warm air supply device, so as to supply warm air to each battery cluster 201.
Further, the temperature-controllable cold and hot air supply device 100 further includes a cabinet; two independent installation cavities which are respectively used for installing a cold air supply device and a warm air supply device are arranged in the case. Therefore, the cold air supply device and the warm air supply device can be installed in a distinguished mode, are independent and do not interfere with each other, a machine box can be used for forming protection, and the cold air supply device and the warm air supply device can be well protected.
Further, the battery container 200 in the present application may be plural; in the case where there are a plurality of battery containers 200. A second communicating branch pipe 401 communicated with the accommodating cavity can be arranged outside each battery container 200; wherein the second conducting branch pipe 401 is provided with a second electronic switch valve 402; the return air inlet of the temperature-controllable cold and warm air supply device 100 is communicated with the second communicating branch pipe 401 through the return air duct 400; second electronic switch valve 402 is connected with controllable temperature cold and warm braw feeding device 100 electricity, realizes the return air independent control to each battery container 200, further improves the accuse temperature effect, also makes also can the samming between the battery container 200 is whole, and the time that can selective control cold wind or warm braw stay holding the intracavity, and then more fully carries out the heat transfer.
Further, the air inlet duct 300, the air return duct 400, the first communicating branch pipe 202 and the second communicating branch pipe 401 are all coated with heat insulating layers, and the heat insulating layers can be made of heat insulating materials such as glass fibers, asbestos and rock wool, so that heat loss of the air inlet duct 300 and the air return duct 400 is reduced, and energy consumption is further saved.
In summary, the present disclosure should not be construed as limiting the present disclosure, and the embodiments and the application scope of the present disclosure may be modified by those skilled in the art according to the concepts of the present disclosure.
Claims (5)
1. A temperature regulation and control system of an energy storage battery box is characterized by comprising a battery container, a temperature-controllable cold and hot air supply device, an air inlet duct and an air return duct;
an accommodating cavity is formed in the battery container;
a plurality of battery clusters are arranged in the accommodating cavity;
each battery cluster is internally provided with a temperature sensor and is respectively provided with a heat dissipation inlet and a heat dissipation outlet which are communicated with the interior of the battery cluster;
each heat dissipation inlet is connected with a first conduction branch pipe;
each first conduction branch pipe is provided with a first electronic switch valve;
the temperature-controllable cold and hot air supply device is arranged outside the battery container, and the air outlet is communicated with each first conduction branch pipe through an air inlet duct;
the return air inlet of the temperature-controllable cold and hot air supply device is communicated with the accommodating cavity through the return air duct;
the temperature sensor and the first electronic switch valve are electrically connected with the temperature-controllable cold and hot air supply device;
a plurality of temperature sensors are arranged in each battery cluster;
a plurality of the temperature sensors within the battery cluster are distributed dispersedly;
a second conduction branch pipe communicated with the accommodating cavity is arranged outside the battery containers;
the second conduction branch pipe is provided with a second electronic switch valve;
the return air inlet of the temperature-controllable cold and hot air supply device is communicated with the second conduction branch pipe through the return air duct;
the second electronic switch valve is electrically connected with the temperature-controllable cold and hot air supply device, so that the return air of each battery container can be independently controlled, and the time of cold air or hot air remaining in the accommodating cavity can be selectively controlled.
2. The temperature regulation and control system of the energy storage battery box according to claim 1, wherein the temperature-controllable cold and hot air supply device comprises a master controller, a cold air supply device and a hot air supply device;
the air inlet of the cold air supply device and the air inlet of the warm air supply device are communicated with the return air duct through a first electronic three-way switching valve;
the air outlet of the cold air supply device and the air outlet of the warm air supply device are communicated with the air inlet duct through a second electronic three-way switching valve;
the main controller is electrically connected with the cold air supply device, the warm air supply device, the first electronic three-way switching valve and the second electronic three-way switching valve respectively.
3. The temperature regulation and control system of an energy storage battery box according to claim 2, characterized in that the temperature-controllable cold and hot air supply device further comprises a cabinet;
two independent installation cavities which are respectively used for installing the cold air supply device and the warm air supply device are arranged in the case.
4. The system of claim 1, wherein the battery container is a plurality of battery containers.
5. The system for regulating and controlling the temperature of the energy storage battery box according to claim 2, wherein the air inlet duct, the air return duct, the first communicating branch and the second communicating branch are externally coated with heat insulating layers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011461731.8A CN112582709B (en) | 2020-12-11 | 2020-12-11 | Temperature regulation and control system of energy storage battery box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011461731.8A CN112582709B (en) | 2020-12-11 | 2020-12-11 | Temperature regulation and control system of energy storage battery box |
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| CN112582709A CN112582709A (en) | 2021-03-30 |
| CN112582709B true CN112582709B (en) | 2022-07-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113140829A (en) * | 2021-05-12 | 2021-07-20 | 中国华能集团清洁能源技术研究院有限公司 | High-efficient forced air cooling radiating battery energy storage system |
| CN115923598A (en) * | 2022-12-22 | 2023-04-07 | 中国铁塔股份有限公司 | Temperature control device |
| CN116893707B (en) * | 2023-08-29 | 2024-04-09 | 上海畅联国际物流股份有限公司 | Box-type three-dimensional warehouse intelligent temperature control system and temperature control device thereof |
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| JP2011063249A (en) * | 2009-09-21 | 2011-03-31 | Denso Corp | Vehicular air-conditioner |
| CN109148999A (en) * | 2017-12-25 | 2019-01-04 | 北京海博思创科技有限公司 | Battery thermal management system and energy storage container |
| CN111854011A (en) * | 2020-07-07 | 2020-10-30 | 和湜(上海)建筑科技有限公司 | Container with indoor environment governing system |
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| JP2014025653A (en) * | 2012-07-27 | 2014-02-06 | Kawasaki Thermal Engineering Co Ltd | Refrigeration air conditioning method and apparatus |
| JP2014103005A (en) * | 2012-11-20 | 2014-06-05 | Toshiba Corp | Battery pack and in-vehicle heating system |
| CN109546261B (en) * | 2018-11-19 | 2024-06-11 | 浙江南都电源动力股份有限公司 | Battery thermal management system of container type energy storage system |
| CN210576320U (en) * | 2019-08-22 | 2020-05-19 | 西安开天铁路电气股份有限公司 | Closed energy storage cabin temperature and humidity control system |
| CN212085176U (en) * | 2020-06-12 | 2020-12-04 | 内蒙古明阳新能源开发有限责任公司 | Air conditioner ventilation unit of battery energy storage container based on variable load |
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| JP2011063249A (en) * | 2009-09-21 | 2011-03-31 | Denso Corp | Vehicular air-conditioner |
| CN109148999A (en) * | 2017-12-25 | 2019-01-04 | 北京海博思创科技有限公司 | Battery thermal management system and energy storage container |
| CN111854011A (en) * | 2020-07-07 | 2020-10-30 | 和湜(上海)建筑科技有限公司 | Container with indoor environment governing system |
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